Relation with Major Scale: It is the sixth degree of the major scale. For example, A Aeolian contains the same notes as C major.
Theoretical Aspects
Sound Character: The Aeolian scale is also known as the natural minor scale. It has a melancholic, emotional, and expressive character. It is balanced in its sadness and very versatile.
Typical Chord: m7 (e.g., Am7)
Modal Context: It is a 'default' minor scale, used in tonal and modal contexts to evoke feelings of introspection, sadness, or reflection.
Harmonic Use: In songs in natural minor keys, but also on minor modal vamps where the typical harmonic cadence of the harmonic minor is not sought.
Musical Context
Musical Styles: Pop, Rock, Folk, Film music, Modal jazz